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matroskademux: maintain variable state when searching for position

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... so skipping to next cluster happens efficiently
This commit is contained in:
Mark Nauwelaerts 2017-06-08 16:39:06 +02:00
parent 6a6f7fc48f
commit b19ef0df30
1 changed files with 2 additions and 2 deletions
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4
gst/matroska/matroska-demux.c
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@ -1811,6 +1811,7 @@ gst_matroska_demux_search_pos (GstMatroskaDemux * demux, GstClockTime time)
GstClockTime otime, prev_cluster_time, current_cluster_time, cluster_time;
gint64 opos, newpos, startpos = 0, current_offset;
gint64 prev_cluster_offset = -1, current_cluster_offset, cluster_offset;
guint64 cluster_size = 0;
const guint chunk = 64 * 1024;
GstFlowReturn ret;
guint64 length;
@ -1901,9 +1902,8 @@ retry:
* re-estimate if overshoot, otherwise next cluster and so on */
demux->common.offset = newpos;
demux->cluster_time = cluster_time = GST_CLOCK_TIME_NONE;
cluster_size = 0;
while (1) {
guint64 cluster_size = 0;
/* peek and parse some elements */
ret = gst_matroska_read_common_peek_id_length_pull (&demux->common,
GST_ELEMENT_CAST (demux), &id, &length, &needed);